On Tue, 11 Aug 2020 at 07:39, 孙世龙 sunshilong via Gcc-help <gcc-help@xxxxxxxxxxx> wrote: > > Thank you for your reply. > > >If the heap's corrupt, yes, it can fail... > Could you please explain that in more detail? This mailing list is about GCC, not general C programming. The realloc function is not part of GCC.